//The MIT License

//Copyright (c) 2009 Lluis Sanchez, Nick Darnell

//Permission is hereby granted, free of charge, to any person obtaining a copy
//of this software and associated documentation files (the "Software"), to deal
//in the Software without restriction, including without limitation the rights
//to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//copies of the Software, and to permit persons to whom the Software is
//furnished to do so, subject to the following conditions:

//The above copyright notice and this permission notice shall be included in
//all copies or substantial portions of the Software.

//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
//THE SOFTWARE.

using System;
using System.Reflection;
using System.Reflection.Emit;
using Polymorph.Properties;

namespace Polymorph
{
    public abstract class CodeBinaryOperation : CodeConditionExpression
    {
        protected CodeExpression exp1;
        protected CodeExpression exp2;
        protected Type t1;
        protected Type t2;
        string symbol;

        public CodeBinaryOperation(CodeExpression exp1, CodeExpression exp2, string symbol)
        {
            this.symbol = symbol;
            this.exp1 = exp1;
            this.exp2 = exp2;

            t1 = exp1.ResultType;
            t2 = exp2.ResultType;

            if (!t1.IsPrimitive || !t2.IsPrimitive || (t1 != t2))
            {
                throw new InvalidOperationException(String.Format(
                    Resources.Op0CantBeAppliedTo1And2, GetType().Name, t1.Name, t2.Name));
            }
        }

        public override void PrintCode(CodeWriter cp)
        {
            exp1.PrintCode(cp);
            cp.Write(" " + symbol + " ");
            exp2.PrintCode(cp);
        }
    }
}